Answer:
v = 1/5, 7/3
Explanation:
Factor the following 15v² + 7 = 38v
15v² + 7 = 38v
15v² - 38v + 7 = 0
15v² - 3v - 35v + 7 = 0
3v(5v - 1) - 7(5v - 1) = 0
(5v - 1)(3v - 7) = 0
So,
Either, 5v - 1 = 0
5v = 1
And, 3v - 7 = 0
3v = 7
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